Metamod v1.21p42 - [APG] Version

• Reinstating some AMD64 Linux support as some Distros are dropping i386 support
• Adding support for Decay, Stargate 2, CS 1.0 and WormsHL Steam Edition
• Focusing on i686 TS 3.0 Linux instead of ts_i386.so
• Ignoring MODARCH Marcos until further notice